feat: migrate state and complete live systems

- replace the Haskell bridge with transactional SQLite state and validation

- centralize versions and harden resource, capture, and release tooling

- complete active gacha schedules, point exchange, and mail grants

- add equipment refinement, presets, and ordinary formation workflows

- improve client plugins, request timing, and normalized persistence

go/config.example.json

@@ -2,6 +2,6 @@
   "listen": "127.0.0.1:8080",
   "serverDataDir": "",
   "gameDataDir": "",
-  "gameDataVersion": "",
-  "clientDir": ""
+  "clientDir": "",
+  "versionConfig": "../versions.json"
 }